build: add workaround for V8 builds

V8's build toolchain is not compatible with Python 3 and the CI job
that tests V8 needs to be run with Python 2. Add a fallback to
`find_executable` from `distutils.spawn` to allow the configure
script to run in the V8 test job.

PR-URL: https://github.com/nodejs/node/pull/38632
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Rich Trott <rtrott@gmail.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/configure.py b/configure.py
index b877319841e..9ec7da8924b 100755
--- a/configure.py
+++ b/configure.py
@@ -14,7 +14,12 @@ import shutil
 import bz2
 import io
 
-from shutil import which
+# Fallback to find_executable from distutils.spawn is a stopgap for
+# supporting V8 builds, which do not yet support Python 3.
+try:
+  from shutil import which
+except ImportError:
+  from distutils.spawn import find_executable as which
 from distutils.version import StrictVersion
 
 # If not run from node/, cd to node/.